90 days. Yuhua District Education Bureau inspects how long it takes for teachers to recruit for 90 days, and there is a 90-day inspection period, also called probation period. Yuhua District belongs to Changsha City, Hunan Province, and its name comes from Yuhua Pavilion, a sacred place of ancient Buddhism and Taoism in Changsha. Located in the southeast of Changsha, it is connected to Furong District in the north, Tianxin District in the west, Changsha County in the east and Zhuzhou City in the south.